#!/bin/sh
# PCP QA Test No. 911
# Exercise Linux kernel KSM same-page-sharing metrics.
#
# Copyright (c) 2017 Red Hat.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

[ $PCP_PLATFORM = linux ] || _notrun "Linux-specific memory metric testing"

status=1	# failure is the default!
trap "cd $here; $sudo rm -rf $tmp $tmp.*; exit \$status" 0 1 2 3 15

# real QA test starts here
root=$tmp.root
export LINUX_STATSPATH=$root
pmda=$PCP_PMDAS_DIR/linux/pmda_linux.so,linux_init
local="-L -K clear -K add,60,$pmda"

ksm_metrics=`pminfo $local mem.ksm | LC_COLLATE=POSIX sort`
for tgz in $here/linux/sysfs-ksm-*.tgz
do
    rm -fr $root
    mkdir $root || _fail "root in use when processing $tgz"
    cd $root
    tar xzf $tgz
    base=`basename $tgz`

    echo "== Checking KSM metric values - $base"
    pminfo $local -f $ksm_metrics
    echo && echo "== done" && echo

    cd $here
done

# success, all done
status=0
exit
